2(h+3a)=6+15

Solution for 2(h+3a)=6+15 equation:

Simplifying
2(h + 3a) = 6 + 15

Reorder the terms:
2(3a + h) = 6 + 15
(3a * 2 + h * 2) = 6 + 15
(6a + 2h) = 6 + 15

Combine like terms: 6 + 15 = 21
6a + 2h = 21

Solving
6a + 2h = 21

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-2h' to each side of the equation.
6a + 2h + -2h = 21 + -2h

Combine like terms: 2h + -2h = 0
6a + 0 = 21 + -2h
6a = 21 + -2h

Divide each side by '6'.
a = 3.5 + -0.3333333333h

Simplifying
a = 3.5 + -0.3333333333h